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  • Question
  • How many numbers up to 300 and 700 are divisible by 2, 3 and 7 both together ?


  • Options
  • A. 7
  • B. 9
  • C. 11
  • D. 5

  • Correct Answer


  • Explanation

    LCM of 2, 3, 7 is 42.

    => (700 ? 300)/42 = 9  22/42 => 9 Numbers.


  • Numbers problems


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    • 1. The largest 4 digit number exactly divisible by 88 is

    • Options
    • A. 8888
    • B. 9999
    • C. 9944
    • D. 9988
    • Discuss
    • 2. Which one of the following cannot be the square of a natural number?

    • Options
    • A. 32761
    • B. 42437
    • C. 81225
    • D. 20164
    • Discuss
    • 3. Which number will come in place of question mark 7, 16, 36, 78, 144, ?

    • Options
    • A. 168
    • B. 196
    • C. 222
    • D. 256
    • Discuss
    • 4. 476 ** 0 is divisible by both 3 and 11.The non zero digits in the hundred's and ten's places are respectively:

    • Options
    • A. 6 and 2
    • B. 8 and 2
    • C. 6 and 5
    • D. 8 and 5
    • Discuss
    • 5. Find the next number in the series 14, 916, 2536,......

    • Options
    • A. 4981
    • B. 6481
    • C. 4964
    • D. 6449
    • Discuss
    • 6. The sum of the two numbers is 12 and their product is 35. What is the sum of the reciprocals of these numbers?

    • Options
    • A. 1235
    • B. 135
    • C. 358
    • D. 732
    • Discuss
    • 7. A number when divided by 779 gives a remainder 47. By dividing the same number by 19, what would be the remainder?

    • Options
    • A. 6
    • B. 5
    • C. 8
    • D. 9
    • Discuss
    • 8. If the number 517*324 is completely divisible by 3, then the smallest whole number in the place of * will be:

    • Options
    • A. 0 
    • B. 1
    • C. 2
    • D. None of these
    • Discuss
    • 9. At a dinner party every two guests used a bowl of rice between them, every three guests used a bowl of dal between them and every four used a bowl of meat between them. There were altogether 65 dishes. How many guests were present at the party ?

    • Options
    • A. 60
    • B. 74
    • C. 82
    • D. 58
    • Discuss
    • 10. Find the next number in the series 3, 4, 5, 5, 12, 13, 7, 24, 25, 8, 15, ...

    • Options
    • A. 26
    • B. 16
    • C. 17
    • D. 18
    • Discuss


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